THENABADU, Mervyn W. <br/><br/>
Use of fertilizers and manures in Sri Lanka 
by Mervyn W.Thenabadu 
 - Colombo  National Science Council of Sri Lanka  1980 
 - 42 p.- 
 - Science education series  no.5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers
<br/><br/><label>Dewey Class. No.: </label>630  / THE